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Date: Fri, 19 Mar 2021 17:38:53 +0800
From: kernel test robot <lkp@...el.com>
To: Loic Poulain <loic.poulain@...aro.org>,
manivannan.sadhasivam@...aro.org, hemantk@...eaurora.org,
gregkh@...uxfoundation.org
Cc: kbuild-all@...ts.01.org, linux-arm-msm@...r.kernel.org,
aleksander@...ksander.es, linux-kernel@...r.kernel.org,
kuba@...nel.org, davem@...emloft.net, netdev@...r.kernel.org,
bjorn.andersson@...aro.org
Subject: Re: [PATCH v2] bus: mhi: Add Qcom WWAN control driver
Hi Loic,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.12-rc3 next-20210319]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Loic-Poulain/bus-mhi-Add-Qcom-WWAN-control-driver/20210309-045313
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 144c79ef33536b4ecb4951e07dbc1f2b7fa99d32
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/727df932009e4a00b877f66f9a77658967e0d8a4
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Loic-Poulain/bus-mhi-Add-Qcom-WWAN-control-driver/20210309-045313
git checkout 727df932009e4a00b877f66f9a77658967e0d8a4
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/bus/mhi/wwan_ctrl.c: In function 'mhi_wwan_ctrl_open':
>> drivers/bus/mhi/wwan_ctrl.c:137:9: error: too many arguments to function 'mhi_prepare_for_transfer'
137 | ret = mhi_prepare_for_transfer(wwandev->mhi_dev, 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/bus/mhi/wwan_ctrl.c:5:
include/linux/mhi.h:718:5: note: declared here
718 | int mhi_prepare_for_transfer(struct mhi_device *mhi_dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kernel.h:14,
from drivers/bus/mhi/wwan_ctrl.c:4:
drivers/bus/mhi/wwan_ctrl.c: In function 'mhi_wwan_ctrl_probe':
drivers/bus/mhi/wwan_ctrl.c:442:48: error: 'MHI_MAX_MTU' undeclared (first use in this function); did you mean 'ETH_MAX_MTU'?
442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU);
| ^~~~~~~~~~~
include/linux/minmax.h:18:39: note: in definition of macro '__typecheck'
18 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^
include/linux/minmax.h:42:24: note: in expansion of macro '__safe_cmp'
42 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/minmax.h:110:27: note: in expansion of macro '__careful_cmp'
110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
| ^~~~~~~~~~~~~
drivers/bus/mhi/wwan_ctrl.c:442:17: note: in expansion of macro 'min_t'
442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU);
| ^~~~~
drivers/bus/mhi/wwan_ctrl.c:442:48: note: each undeclared identifier is reported only once for each function it appears in
442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU);
| ^~~~~~~~~~~
include/linux/minmax.h:18:39: note: in definition of macro '__typecheck'
18 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^
include/linux/minmax.h:42:24: note: in expansion of macro '__safe_cmp'
42 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/minmax.h:110:27: note: in expansion of macro '__careful_cmp'
110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
| ^~~~~~~~~~~~~
drivers/bus/mhi/wwan_ctrl.c:442:17: note: in expansion of macro 'min_t'
442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU);
| ^~~~~
include/linux/minmax.h:42:2: error: first argument to '__builtin_choose_expr' not a constant
42 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:110:27: note: in expansion of macro '__careful_cmp'
110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
| ^~~~~~~~~~~~~
drivers/bus/mhi/wwan_ctrl.c:442:17: note: in expansion of macro 'min_t'
442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU);
| ^~~~~
drivers/bus/mhi/wwan_ctrl.c: At top level:
>> drivers/bus/mhi/wwan_ctrl.c:504:53: error: 'MHI_MAX_MTU' undeclared here (not in a function); did you mean 'ETH_MAX_MTU'?
504 | { .chan = MHI_WWAN_CTRL_PROTO_QCDM, .driver_data = MHI_MAX_MTU },
| ^~~~~~~~~~~
| ETH_MAX_MTU
vim +/mhi_prepare_for_transfer +137 drivers/bus/mhi/wwan_ctrl.c
117
118 static int mhi_wwan_ctrl_open(struct inode *inode, struct file *filp)
119 {
120 unsigned int minor = iminor(inode);
121 struct mhi_wwan_dev *wwandev = NULL;
122 int ret = 0;
123
124 /* Retrieve corresponding mhi_wwan_dev and get a reference */
125 mutex_lock(&mhi_wwan_ctrl_drv_lock);
126 wwandev = idr_find(&mhi_wwan_ctrl_idr, minor);
127 if (!wwandev) {
128 mutex_unlock(&mhi_wwan_ctrl_drv_lock);
129 return -ENODEV;
130 }
131 kref_get(&wwandev->ref_count);
132 mutex_unlock(&mhi_wwan_ctrl_drv_lock);
133
134 /* Start MHI channel(s) if not yet started and fill RX queue */
135 mutex_lock(&wwandev->mhi_dev_lock);
136 if (!wwandev->mhi_dev_open_count++) {
> 137 ret = mhi_prepare_for_transfer(wwandev->mhi_dev, 0);
138 if (!ret)
139 ret = mhi_wwan_ctrl_queue_inbound(wwandev);
140 if (ret)
141 wwandev->mhi_dev_open_count--;
142 }
143 mutex_unlock(&wwandev->mhi_dev_lock);
144
145 if (ret)
146 return ret;
147
148 filp->private_data = wwandev;
149
150 /* stream-like non-seekable file descriptor */
151 stream_open(inode, filp);
152
153 return 0;
154 }
155
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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